Hi I’m going nuts here I’m using zbrush 4 and I’m exporting a normal map for Maya. What are the correct settings? Do I have to flip or switch some. Hannels?? How do I create bump maps in 4.0?
lets go…
to creat normal maps, change your mesh to lowest subdiv. and in the right panel, open Normal Map. use TANGENT, and click CREAT MAP
to do the Cavity map, u need to use MASK
in the MASK menu, click on creat mask by cavity, or some like that.
Intensity control the intensity of mask, after click in Mask by Cavity, click on Creat Alpha… after this, ur mask will be copied to ALpha channel, so u need to go in ALPHA> Export
and yes, u need to flip all maps in V 
i suggest u to use the Multi Map Exporter… the easyest way! this will creat all your maps (cavity, normal, ambient occlusion, and displacement), flip and export! with 2 clicks ( http://www.zbrushcentral.com/showthread.php?t=91688 )
but if u prefer to do this in old school, here is 2 prints to help 
hope this help!
and, sorry for my terrible english :x
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Thankyou very much for your help! Ill do that bump thing right away! Looks like i was doing normals correctly after all.
Make sure that you interpret the image as linear (so no gamma correction) in Maya, or it wont render properly. Never gamma correct normal maps.
Thanks! How do you do that?